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我正在嘗試使用picasso加載包含文本和圖像的列表視圖。我試圖從各自的字符串數組中的URL中加載圖像。文本部分正在listView中加載。然而,圖像不加載,所以我得到的是一個listView與文本在其各自的行,但沒有圖像。我如何使用畢加索來做到這一點?提前致謝!從Android Studio中的ListView中使用Picasso顯示字符串URL數組的圖像
class MyAdapter extends ArrayAdapter <String> {
Context context;
String[] descriptionArray;
String[] url;
MyAdapter (Context c, String[] importerArray,String[] url) {
super(c, R.layout.content_orders,R.id.textView2, importerArray);
this.context =c;
this.descriptionArray = importerArray;
this.url = url;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View row = inflater.inflate(R.layout.content_orders, list, false);
ImageView myImage = (ImageView) row.findViewById(R.id.imageView2);
TextView description = (TextView) row.findViewById(R.id.textView2);
description.setText(descriptionArray[position]);
Picasso.with(OrdersActivity.this).load(url[position]).into(myImage);
return super.getView(position, convertView, parent);
}
}
'return super.getView(position,convertView,parent);'爲什麼?它會讓你的整個方法的代碼無用 – Selvin
@Selvin那我該怎麼做?返回convertView? – Kekis2014
*我應該怎麼做?*閱讀關於Adapter類的基礎知識......顯然'Adapter.getView'應該:1.如果'convertView'爲空時創建視圖2.將數據綁定到視圖(從convertView創建或回收)3 。return創建(或回收)視圖... – Selvin